按要求改写句子。
1. There were some buses many years ago. (改为否定句)
There _______ _______ buses many years ago.
2. I was in Qingdao two weeks ago. (对画线部分提问)
_______ _______ you two weeks ago?
3. There are some buses now. (改为一般疑问句，并作否定回答)
A: ____________________________________?
B: _______, _______ _______.
5. grandparents, in, small, lived, my, a, house (.) (连词成句)
__________________________________________________
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